Duplex water-gage.



JHT. RYAN.

DUPLEX WATERGAGE.

APPLIGATION FILED JUNE 15, 1911.

1,040,020, Patented Oqt. 1, 1912.

d j I I w HHHHHHHHIHIBIBLE UNITED STATES {PATENT OFFICE.

' JOHN 3'. RYAN, F HOUSTON, TEXAS.

DUPLEX WATER-GAGE.

Specification of Letters Patent. Application filed June 15, 1911. Serial No. 683,305.

Patented Oct. 1, 1912;

and lowerends of the two glasses and the boiler, and the facility and thoroughness 5with which the glasses can be cleaned'without detaching the gage from the boiler or putting the boiler out of commission.

Mynovel gage is also characterized by controlling valves that cannot be accidentally screwed out or lost and thereby give rise to the escape of hot water or steam,

all as hereinafter described and claimed.

In-the accompanying drawings-which are hereby made a part hereof: Figure l is a view,partly in front elevation and part-1y in section of my novel duplex water gage. Fig.

2 is a ,view, partly inelevation and partlyin sect-ion, of one of the controlling valves; the sectional part being taken in the plane indicated by the line 2-2 of Fig. 1. Fig. 7 3 is a horizontal section taken in the plane indicated by the line of Fig. 1, looking downward.

Similar letters designate corresponding parts in all of the views of the drawings,

referring to which A ,A are gages which are preferably,

though not necessarily, of the well known Klinger type illustrated, and are, by preference, so arranged that the glass of one can be conveniently viewed by a locomotive engineer and the glass of the other by the 'firem'an. Each of the said gages is pro-- ,vided with upper and lower tubular extensions'a and b, alined with the glasses thereof. B-is an upper coupling body for effecting connection between the tubular extensions a and the steam space of a boiler, and O is a lower coupling body for making communication. betweenthe tubular extensions 6 and the water space of a boiler. Each of the said bodies comprises a valve casing 0 containing a seat (I, an exteriorly threaded projection 6 extending from the inner end of the casing and designed to be screwed into the bqiler wall, and arms extending laterally in opposite direct-ions from the casing, as indicated by f, and then vertically up and'down from the outer ends of the arm portions f, as indicated by g. The lower ends of the arm portions 9 of the upper body B and the upper ends of the arm portions 9 of the lower body C are exteriorly threaded as shown, for the connectlon of threaded glands D which serve o connect the said bodies and C to the tubular extensions a and b, respectively, and also serve to hold packing washers E; the latter feature being illustrated near the lpwer end of Fig. 1. I would also have it understood that each of the arm portions 9 of thelower coupling body C is interiorly reduced, as indicated by h to afford a sup- .port z for one water gage A, and thatt-he coupling body C also differs from the upper coupling body B in that it is provided with an exteriorly threaded projection j that depends from its casing c and is designed for the connect-ion of a valved pipe (not shown) that is to be used to carry oil water incidental to flushing-and cleaning of the glasses of the gage. v

In each of the coupling bodies B and C is arranged a controlling valve F which is peculiar in that its body /c,extends laterally from its stem Z, as indicated by m, this being advantageous because it precludes accidental outward screwing. .and loss of the valve, and the escape of steam or hot water that would attend such displacement of the valve.

The arm portions 9 of the upper coupling body B are provided in their upper ends, and the arm portions 1 of the lower coupling body C are provided in their lower ends with threaded apertures M. These are arranged in vertical alinement with the tubular. extensions 0 and b and the glasses in the gages A, and are normally closed by removable plugs N. From this itfollows that incidental to the cleaning of the duplex.

gage and when the plugs N are removed,

swabs or the like may be run through the glasses to facilitate and render thorough the cleaning thereof.

As will be gathered from the fore going,

the two gages/A are connected to ,and furby one coupling body containing a single controlling valve; also, that when said valves are closed the communication between the boiler and the ga es A is completely and otherwise effectual y interrupted. From this it follows that cleaning of the glasses of the gage maybe freely accomplished in the manner described withoutputting the boiler out of commission or detaching the duplex gage from the boiler wall. It will further be gathered from the foregoing thatmy novel duplex gage as a whole is simple and not liable to get out of order in use, and that the gage is strong and well adapted to withstand rough usage,

. largely because of the utilization of the munication with the casing and made up of lower coupling body'C as a support for the gages A. H

Having described my inventiomaf hat I claim and desire to secure by Letters- Patent, is:

The herein described duplex water gage, comprising gages arranged side by side and each Having a tubular extension at its up- ,per end and a tubular extension at its lower end an upper coupling body having a valve ca mg containing a seat and also having a threaded projection extending from the inner end of the casing and further having lateral arms at oppositesides of and incomportions disposed at. right angles to said threaded projection, and depending portions in the upper ends of which are vertically disposed apertures; a lower coupling body having a valve casing containing a seat and also having a threaded projection extending from the inner end of the casing and further having lateral arms at opposite'sides of and in communication with the casing and made up of portions disposed at right angles to said threaded projection, and upwardly extending portions in the lower ends of which are vertically disposed apertures, the interiors of the said upwardly extending portions being reduced at an intermediate point to afford supports for the lower tubular extensions of the gages; the interiors of the vertical arm portions of both coupling bodies being unobstructed throughout their length; removable means normally closing the said vertically disposed apertures of the coupling bodies; a tubular projection depending from the valve casing of the lower coupling body; and valves arranged in the valve casings of the coupling bodies and havinghandles disposed in front of said casings. k

In testimony whereof I have hereunto set my hand in presence of two subscribing witnessqs.

, JOHN J. RYAN. Witnesses:

M. NICHOLSON, Grno MCCORMICK. 

